Speaker



FIG. 1 is a front, right and top view of a speaker showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3. Is a rear elevational view threof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Features shown in broken lines show environmental structure and form no part of the claimed design. 

We claim the ornamental design for speaker, as shown and described. 